Ask any worthwhile writer, and you may learn that the thing that makes their writings excellent is nothing except that an effective editing process. Editing is the amendment of one’s writing to give it a more polished outlook. It would likely involve removing words that are unnecessary phrases and sometimes even paragraphs from an article. From time to time, what you need to do (within the name of editing) is correct some simple errors in punctuation, spelling, and use that is grammar. And lest we forget, editing also entails providing information that is new your writing.
Use application-level authorisation if you want to control which applications can access your API, but not which end that is specific. This is suitable if you want to use rate limiting, auditing, or billing functionality. Application-level authorisation may not be suitable for APIs holding personal or data that are sensitive you truly trust your consumers, for instance. another government department.
We advice using OAuth 2.0, the open authorisation framework (specifically utilizing the Client Credentials grant type).